Week 15
2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2021 | 2022 | 2023 | 2024 | 2025
All | ACC | Big 10 | Big 12 | Big East | Conference USA | Division I-A Independents | Mid-American Conference | MWC | Pac-12 | SEC | Sun Belt Conference | WAC
| Place | Team | Rating | Strength of Schedule | +/- | 
|---|---|---|---|---|
| 1. Michigan (10 - 3) Schedule: 5.727 (8) | 7.691 7.691  | |||
| 2. Iowa (10 - 3) Schedule: 5.771 (5) | 7.469 7.469  | |||
| 3. Ohio State (11 - 2) Schedule: 6.088 (1) | 7.36 7.36  | |||
| 4. Minnesota (10 - 3) Schedule: 5.033 (11) | 6.987 6.987  | |||
| 5. Purdue (9 - 4) Schedule: 5.729 (7) | 6.923 6.923  | |||
| 6. Michigan St (8 - 5) Schedule: 5.649 (9) | 6.244 6.244  | |||
| 7. Wisconsin (7 - 6) Schedule: 5.767 (6) | 6.002 6.002  | |||
| 8. Northwestern (6 - 7) Schedule: 5.784 (4) | 5.176 5.176  | |||
| 9. Penn State (3 - 9) Schedule: 5.801 (3) | 5.006 5.006  | |||
| 10. Illinois (1 - 11) Schedule: 5.857 (2) | 3.591 3.591  | |||
| 11. Indiana (2 - 10) Schedule: 5.513 (10) | 3.258 3.258  |